It's almost time, guys: the Great American Eclipse, when the moon will completely block the sun for a brief but awe-striking time, is happening on August 21 -- and parts of Missouri and Illinois are​ among the nation's most​ ideal spots for​ experiencing the path of totality​.​ We've ​both determined a few great towns to see the darkness, as well as some of the festivities planned for the occasion. Pick a spot by how long of a road trip you want or by which party suits your style. Then grab your viewing glasses -- this is a sight you won't want to miss.